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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

BOSTON MARATHON 2026

Christian Siboro

Bib: 31387 •M •Age: N/A

0:00

0:00

/ mi

Masters

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Overall

#0 / 29021

Gender (Male)

#0 / 16340

Masters (Masters Men)

#0 / 10617

Age Group (M55-59)

#0 / 1491

Race Day Weather

51°/41°F

overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

34:39

3.11 mi

Rank: #28209

Start → 5K

34:39 | 11:10/mi

34:39

3.11 mi

Rank: #28209

Start → 5K

34:39 | 11:10/mi

10K

1:09:26

6.21 mi

Rank: #28067 (+142)

5K → 10K

34:47 | 11:12/mi

10K

1:09:26

6.21 mi

Rank: #28067 (+142)

5K → 10K

34:47 | 11:12/mi

15K

1:44:53

9.32 mi

Rank: #28016 (+51)

10K → 15K

35:27 | 11:25/mi

15K

1:44:53

9.32 mi

Rank: #28016 (+51)

10K → 15K

35:27 | 11:25/mi

20K

2:21:25

12.43 mi

Rank: #27983 (+33)

15K → 20K

36:32 | 11:46/mi

20K

2:21:25

12.43 mi

Rank: #27983 (+33)

15K → 20K

36:32 | 11:46/mi

HALF

2:29:39

13.11 mi

Rank: #28017 (-34)

20K → HALF

8:14 | 12:05/mi

HALF

2:29:39

13.11 mi

Rank: #28017 (-34)

20K → HALF

8:14 | 12:05/mi

25K

3:00:05

15.53 mi

Rank: #28020 (-3)

HALF → 25K

30:26 | 12:33/mi

25K

3:00:05

15.53 mi

Rank: #28020 (-3)

HALF → 25K

30:26 | 12:33/mi

30K

3:40:55

18.64 mi

Rank: #27982 (+38)

25K → 30K

40:50 | 13:09/mi

30K

3:40:55

18.64 mi

Rank: #27982 (+38)

25K → 30K

40:50 | 13:09/mi

20M

3:59:04

20.00 mi

Rank: #27969 (+13)

30K → 20M

18:09 | 13:22/mi

20M

3:59:04

20.00 mi

Rank: #27969 (+13)

30K → 20M

18:09 | 13:22/mi

21M

4:13:56

21.00 mi

Rank: #27980 (-11)

20M → 21M

14:52 | 14:52/mi

21M

4:13:56

21.00 mi

Rank: #27980 (-11)

20M → 21M

14:52 | 14:52/mi

35K

4:23:02

21.75 mi

Rank: #27964 (+16)

21M → 35K

9:06 | 12:10/mi

35K

4:23:02

21.75 mi

Rank: #27964 (+16)

21M → 35K

9:06 | 12:10/mi

23M

4:39:16

23.00 mi

Rank: #27935 (+29)

35K → 23M

16:14 | 12:59/mi

23M

4:39:16

23.00 mi

Rank: #27935 (+29)

35K → 23M

16:14 | 12:59/mi

24M

4:52:39

24.00 mi

Rank: #27934 (+1)

23M → 24M

13:23 | 13:23/mi

24M

4:52:39

24.00 mi

Rank: #27934 (+1)

23M → 24M

13:23 | 13:23/mi

40K

5:04:35

24.85 mi

Rank: #27943 (-9)

24M → 40K

11:56 | 13:58/mi

40K

5:04:35

24.85 mi

Rank: #27943 (-9)

24M → 40K

11:56 | 13:58/mi

25.2M

5:09:56

25.20 mi

Rank: #27955 (-12)

40K → 25.2M

5:21 | 15:31/mi

25.2M

5:09:56

25.20 mi

Rank: #27955 (-12)

40K → 25.2M

5:21 | 15:31/mi

FINISH

5:22:54

26.22 mi

Rank: #27966 (-11)

25.2M → FINISH

12:58 | 12:44/mi

FINISH

5:22:54

26.22 mi

Rank: #27966 (-11)

25.2M → FINISH

12:58 | 12:44/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time2:29:39

Pace11:25 /mi

2nd Half

Spacer

Distance13.11 mi

Time2:53:15

Pace13:13 /mi

📊Positive Split: 15.8% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	12:02:36	34:39	11:10	34:39	11:10	-
10K	6.21 mi	12:37:23	1:09:26	11:11	34:47	11:12	+0:02
15K	9.32 mi	13:12:50	1:44:53	11:16	35:27	11:25	+0:13
20K	12.43 mi	13:49:22	2:21:25	11:23	36:32	11:46	+0:21
HALF	13.11 mi	13:57:36	2:29:39	11:25	8:14	12:05	+0:19
25K	15.53 mi	14:28:02	3:00:05	11:36	30:26	12:33	+0:28
30K	18.64 mi	15:08:52	3:40:55	11:52	40:50	13:09	+0:36
20M	20.00 mi	15:27:01	3:59:04	11:58	18:09	13:22	+0:13
21M	21.00 mi	15:41:53	4:13:56	12:06	14:52	14:52	+1:30
35K	21.75 mi	15:50:59	4:23:02	12:06	9:06	12:10	-2:42
23M	23.00 mi	16:07:13	4:39:16	12:09	16:14	12:59	+0:49
24M	24.00 mi	16:20:36	4:52:39	12:12	13:23	13:23	+0:24
40K	24.85 mi	16:32:32	5:04:35	12:16	11:56	13:58	+0:35
25.2M	25.20 mi	16:37:53	5:09:56	12:18	5:21	15:31	+1:33
FINISH	26.22 mi	16:50:51	5:22:54	12:20	12:58	12:44	-2:47

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

11:10 /mi

Average Pace

12:19 /mi

Slowest Pace

15:31 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:29:39

46% of race

Time at Steady Pace

1:49:34

34% of race

Time at Slower Pace

1:03:41

20% of race

Average Pace: 12:19 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	12:02:36	34:39	11:10	34:39	11:10	#28209
10K	6.21 mi	12:37:23	1:09:26	11:11	34:47	11:12	#28067
15K	9.32 mi	13:12:50	1:44:53	11:16	35:27	11:25	#28016
20K	12.43 mi	13:49:22	2:21:25	11:23	36:32	11:46	#27983
HALF	13.11 mi	13:57:36	2:29:39	11:25	8:14	12:05	#28017
25K	15.53 mi	14:28:02	3:00:05	11:36	30:26	12:33	#28020
30K	18.64 mi	15:08:52	3:40:55	11:52	40:50	13:09	#27982
20M	20.00 mi	15:27:01	3:59:04	11:58	18:09	13:22	#27969
21M	21.00 mi	15:41:53	4:13:56	12:06	14:52	14:52	#27980
35K	21.75 mi	15:50:59	4:23:02	12:06	9:06	12:10	#27964
23M	23.00 mi	16:07:13	4:39:16	12:09	16:14	12:59	#27935
24M	24.00 mi	16:20:36	4:52:39	12:12	13:23	13:23	#27934
40K	24.85 mi	16:32:32	5:04:35	12:16	11:56	13:58	#27943
25.2M	25.20 mi	16:37:53	5:09:56	12:18	5:21	15:31	#27955
FINISH	26.22 mi	16:50:51	5:22:54	12:20	12:58	12:44	#27966

Faster pace

Steady pace

Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	3.11 mi	28209	16090	16090	27884(Top 96%)	15941(Top 98%)	15941(Top 1069%)
10K	6.21 mi	3.10 mi	28067+142	16034+56	16034+56	27920(Top 96%)	15949(Top 98%)	15949(Top 1070%)
15K	9.32 mi	3.11 mi	28016+51	16019+15	16019+15	27884(Top 96%)	15941(Top 98%)	15941(Top 1069%)
20K	12.43 mi	3.11 mi	27983+33	15991+28	15991+28	27799(Top 96%)	15906(Top 97%)	15906(Top 1067%)
HALF	13.11 mi	0.68 mi	28017-34	16004-13	16004-13	28313(Top 98%)	16062(Top 98%)	16062(Top 1077%)
25K	15.53 mi	2.42 mi	28020-3	15993+11	15993+11	27941(Top 96%)	15922(Top 97%)	15922(Top 1068%)
30K	18.64 mi	3.11 mi	27982+38	15969+24	15969+24	27832(Top 96%)	15826(Top 97%)	15826(Top 1061%)
20M	20.00 mi	1.36 mi	27969+13	15961+8	15961+8	27703(Top 95%)	15723(Top 96%)	15723(Top 1055%)
21M	21.00 mi	1.00 mi	27980-11	15961	15961	27979(Top 96%)	15825(Top 97%)	15825(Top 1061%)
35K	21.75 mi	0.75 mi	27964+16	15951+10	15951+10	26916(Top 93%)	15302(Top 94%)	15302(Top 1026%)
23M	23.00 mi	1.25 mi	27935+29	15935+16	15935+16	27293(Top 94%)	15471(Top 95%)	15471(Top 1038%)
24M	24.00 mi	1.00 mi	27934+1	15926+9	15926+9	27943(Top 96%)	15759(Top 96%)	15759(Top 1057%)
40K	24.85 mi	0.85 mi	27943-9	15929-3	15929-3	27863(Top 96%)	15720(Top 96%)	15720(Top 1054%)
25.2M	25.20 mi	0.35 mi	27955-12	15934-5	15934-5	28192(Top 97%)	15860(Top 97%)	15860(Top 1064%)
FINISH	26.22 mi	1.02 mi	27966-11	15930+4	15930+4	28027(Top 97%)	15800(Top 97%)	15800(Top 1060%)

15800

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:

Athletes Passed

695

Passed By

452

Net Change

+243

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#28209
5K → 10K	196	54	+142	#28209	#28067
10K → 15K	116	65	+51	#28067	#28016
15K → 20K	87	54	+33	#28016	#27983
20K → HALF	4	38	-34	#27983	#28017
HALF → 25K	53	56	-3	#28017	#28020
25K → 30K	79	41	+38	#28020	#27982
30K → 20M	30	17	+13	#27982	#27969
20M → 21M	13	24	-11	#27969	#27980
21M → 35K	22	6	+16	#27980	#27964
35K → 23M	38	9	+29	#27964	#27935
23M → 24M	22	21	+1	#27935	#27934
24M → 40K	14	23	-9	#27934	#27943
40K → 25.2M	5	17	-12	#27943	#27955
25.2M → FINISH	16	27	-11	#27955	#27966
TOTALS	695	452	+243

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:

Category:

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 3 months ago

Public Race Data

Christian Siboro

Race Timeline and Course Information

⏱️ Race Timeline

Race Animation with Course Map

Splits & Pacing

Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Rankings

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→HALF

HALF→25K

25K→30K

30K→20M

20M→21M

21M→35K

35K→23M

23M→24M

24M→40K

40K→25.2M

25.2M→FINISH

Passing

Passing Analysis

Passing Analysis Visualizations

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

AI Performance Report

Understand What Really Happened During Your Race

Activity Data

Export & Support

Export Track Data

Questions or issues regarding timing data?

Quick Links

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Race Analytics

Course Information

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